| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.indexof |
| description: > |
| Array.prototype.indexOf - side-effects are visible in subsequent |
| iterations on an Array |
| ---*/ |
| |
| var preIterVisible = false; |
| var arr = []; |
| |
| Object.defineProperty(arr, "0", { |
| get: function() { |
| preIterVisible = true; |
| return false; |
| }, |
| configurable: true |
| }); |
| |
| Object.defineProperty(arr, "1", { |
| get: function() { |
| if (preIterVisible) { |
| return true; |
| } else { |
| return false; |
| } |
| }, |
| configurable: true |
| }); |
| |
| assert.sameValue(arr.indexOf(true), 1, 'arr.indexOf(true)'); |
